SmallerOperation.ceylon
import ceylon.ast.core {
ExistsNonemptyExpression,
SmallerOperation
}
import com.redhat.ceylon.compiler.typechecker.tree {
Tree {
JSmallerOp=SmallerOp
}
}
"Converts a RedHat AST [[SmallerOp|JSmallerOp]] to a `ceylon.ast` [[SmallerOperation]]."
shared SmallerOperation smallerOperationToCeylon(JSmallerOp smallerOperation) {
"Check precedence"
assert (is ExistsNonemptyExpression left = expressionToCeylon(smallerOperation.leftTerm),
is ExistsNonemptyExpression right = expressionToCeylon(smallerOperation.rightTerm));
return SmallerOperation(left, right);
}
"Compiles the given [[code]] for a Smaller Operation
into a [[SmallerOperation]] using the Ceylon compiler
(more specifically, the rule for a `comparisonExpression`)."
shared SmallerOperation? compileSmallerOperation(String code) {
if (is JSmallerOp jComparisonExpression = createParser(code).comparisonExpression()) {
return smallerOperationToCeylon(jComparisonExpression);
} else {
return null;
}
}